/*
 * Copyright 2025 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.alibaba.cloud.ai.manus.tool.bash;

/**
 * Shell executor factory class responsible for creating shell executors for corresponding
 * operating systems
 */
public class ShellExecutorFactory {

  /**
   * Create shell executor for current operating system
   *
   * @return ShellCommandExecutor implementation
   */
  public static ShellCommandExecutor createExecutor() {
    String os = System.getProperty("os.name").toLowerCase();
    if (os.contains("win")) {
      return new WindowsShellExecutor();
    } else if (os.contains("mac")) {
      return new MacShellExecutor();
    } else {
      return new LinuxShellExecutor();
    }
  }

  /**
   * Create shell executor for specified operating system type
   *
   * @param osType Operating system type: windows/mac/linux
   * @return ShellCommandExecutor implementation
   */
  public static ShellCommandExecutor createExecutor(String osType) {
    switch (osType.toLowerCase()) {
      case "windows":
        return new WindowsShellExecutor();
      case "mac":
        return new MacShellExecutor();
      case "linux":
        return new LinuxShellExecutor();
      default:
        throw new IllegalArgumentException("Unsupported OS type: " + osType);
    }
  }

}
